\exercice*
Compléter :
\begin{multicols}{3}\noindent
\begin{enumerate}
\item $\cfrac{8\,445}{\mathbf{1\,000}}=8{,}445$
\item $\cfrac{5\,118}{100}=\mathbf{51{,}18}$
\item $\cfrac{47\,710}{1\,000}=\mathbf{47{,}71}$
\item $\cfrac{2\,826}{\mathbf{1\,000}}=2{,}826$
\item $\cfrac{90\,980}{10\,000}=\mathbf{9{,}098}$
\item $\cfrac{31\,090}{10\,000}=\mathbf{3{,}109}$
\end{enumerate}
\end{multicols}